What is happening here
A fake public WiFi login QR code joins you to a network that looks like the venue WiFi, then shows a login page that harvests credentials or payment details. The network itself may also expose your traffic.
Fake WiFi codes appear on table cards, reception signs, and flyers near cafes, libraries, and transport hubs. People expect a login page on public WiFi, which makes the fake one easy to accept.
Red flags to check before you scan
- The QR code is a sticker on a sign rather than part of the venue printed materials.
- The login page asks for a password, social sign-in, or card details to use free WiFi.
- The network name is almost identical to the venue name, with a small spelling change.
- There are two similar networks and staff cannot confirm which one is theirs.
- The page looks generic, with no venue branding or with branding that does not match the venue.
Verify before you trust it
1. Ask staff for the exact network name and confirm the spelling.
2. Compare the network name on your phone with the name on official venue materials.
3. Avoid signing in to sensitive accounts on a network you have not verified.
4. Use mobile data for banking, email, and work when the WiFi cannot be confirmed.
Putting this into practice
Build a habit you can use in seconds. Pause before every unexpected scan, read the destination preview, and check the domain against what you already know. If the code is printed in public, look for sticker edges and compare it with nearby signs. If the code arrived in a message, verify it through a separate channel you trust. The pause costs almost nothing, and it is the step that catches most of these scams.
Common mistakes to avoid
The most common mistake is scanning to find out whether a code is safe. A scan that opens a page can already expose you to a fake login or a payment trap. Another mistake is trusting a familiar logo, since logos are easy to copy. A third is acting under urgency, which is exactly what the message is designed to create. Slow down, verify through a channel you control, and treat any request for credentials or payment as a reason to stop.
Quick checklist
- Pause before you scan any unexpected code.
- Read the full destination preview, not just the first hop.
- Compare the domain with the official one you already know.
- Check printed codes for sticker edges and mismatched print.
- Never enter passwords, codes, or card details from a surprise scan.
- Verify through a separate, trusted channel before you act.
Related tools and guides
- Run the destination through the [QR print proof checklist](/qr-print-proof-checklist) before you trust a code you did not expect.
- Inspect the code with the [QR redirect chain viewer](/qr-redirect-chain-viewer) before you trust a code you did not expect.
- Check the address with the [QR scan log](/qr-scan-log) before you trust a code you did not expect.
- Practise spotting patterns with the [QR placement guide](/qr-placement-guide) before you trust a code you did not expect.
- Review the chain with the [QR safety checker](/qr-safety-checker) before you trust a code you did not expect.
- Keep a record with the [QR size calculator](/qr-size-calculator) before you trust a code you did not expect.
- Plan protection with the [bulk generator](/bulk-generator) before you trust a code you did not expect.
